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 Alternator and Ammeter
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Joined: Feb 2013
Posts: 246
OP
Shop Shark
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If it's possible, how would I wire an ammeter in a charging system that has been converted to 12V and uses a 1 wire alternator? This is for my '48 GMC that had already been converted before I got it and is also using negative ground.
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 Re: Alternator and Ammeter
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Joined: Sep 2001
Posts: 30,820
ace skiver
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 Re: Alternator and Ammeter
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Joined: Feb 2013
Posts: 246
OP
Shop Shark
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Thank you Tim! Just what I needed.
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 Re: Alternator and Ammeter
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Joined: Feb 2013
Posts: 246
OP
Shop Shark
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....Tim, just what I needed but electrically challenged as I am I need a little more information. The diagram you provided shows one direct connection from the Positive + battery post to the starter and another direct connection to the ammeter. Does the second connection have to be run separately or can it run from the starter to the ammeter? Thanks in advance! Jim
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 Re: Alternator and Ammeter
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Joined: Sep 2001
Posts: 30,820
ace skiver
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Excellent question, Jim
12v negative ground.
You can run a big "+ power lead" cable to the starter post, and the heavy wire from starter post to the ammeter.
Some people have taken the guts out of the voltage regulator, and then run the heavy-wire from the starter to a post on the voltage regulator box, and the heavy-wire from the voltage regulator box to the ammeter. That is the "neat-looking solution", using original wires..
Before I read that idea, I use a bolt/nut connection near the old voltage regulator and carefully/thoroughly wrapped it with electrical tape.
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 Re: Alternator and Ammeter
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Joined: Feb 2013
Posts: 246
OP
Shop Shark
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I like the gutless voltage regulator idea. That would look nice Another old part I can try to find. It's funny but the previous owner went to a lot of effort to modernize the electrical system while I'm trying to do just the opposite.
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 Re: Alternator and Ammeter
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Joined: Mar 2010
Posts: 9,484
Master Gabster
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I use the gutted voltage regulator trick as well. Nice tip I learned in here a while back. Maybe from Tim.
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